Manufacturability of ePTFE laminated membranes

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United States of America Patent

PATENT NO 9034134
APP PUB NO 20140261983A1
SERIAL NO

13833368

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Abstract

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Methods for manufacturing laminated membranes for MEAs, such methods comprising (i) providing a substrate, a catalyst ink fluid, and a first membrane fluid; (ii) providing a second membrane fluid; (iii) simultaneously coating the catalyst ink fluid onto the substrate, the first membrane fluid onto the catalyst ink fluid, and the second membrane fluid onto the first membrane fluid; and (iv) applying a reinforcement layer (such as ePTFE) and allowing for full imbibement. The second membrane fluid (i) consists of alcohol or (ii) is an alcohol-rich fluid comprising polymer electrolyte.

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Patent Owner(s)

  • GM GLOBAL TECHNOLOGY OPERATIONS LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Houghtaling, Bradley M Rochester, US 22 104

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